physics lesson 1

How many years are in a 3 months?

• 0.2 yrs

• 0.75 yrs

• 0.50 yrs

• 0.25 yrs

Convert 50 decimeters/week to kilometers/year

• 0.026 kilometers/year

• 2.6 kilometers/year

• 0.26 kilometers/year

• 26 kilometers/year

Convert 9,500 feet/year to inches/day

• 2.2 inches/day

• 312.3 inches/day

• 3,123.4 inches/day

• 31.23 inches/day

How many years are in a 3 months?

• 0.2 yrs

• 0.75 yrs

• 0.50 yrs

• 0.25 yrs

How many kilograms of calcium are there in 173 pounds of calcium?

(1 pound = 454 grams; 1 kg = 1000 g)

• 1.10 kg

• 78.5 kg

• 110 kg

• 78500 kg

How many significant figures: 216 m

• 1
• 2
• 3
• 0

How many significant figures: 153.0 mL

• 1
• 2
• 3
• 4

Solve and give your answer with the correct number of significant figures
24.28 + 12.5

• 3.687 x 10¹
• 36.8
• 37
• 3.70x10¹

Round 0.010229 to four sig figs

• 1022
• 1023
• 0.01023
• 0.01022